The seventh day of the week and a day of rest. Also use this tag for questions that apply equally to Yom Tov and Shabbat.

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2
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1answer
92 views

cleaning smooth shiny surfaces on shabbos

How may one clean a sticky shiny smooth surface on Shabbos? During the week one can simply wet a napkin and then wipe the surface, but on shabbos you're not allowed to wet a material due to a ...
5
votes
4answers
398 views

Walking past motion detector/sensor activated lights on Shabbat

What can you do if you inadvertently set off a motion detector that turns on a light on Shabbos - Can you keep walking? If I have one do I have to shut it off before Shabbos?
2
votes
2answers
59 views

Kiddush before coffee?

Commenting on the Shulchan Aruch in siman 289 which states that one may not taste anything before kiddush shabbos morning, except water, the Biur Halacha s.v. Chovas Kiddush writes that that it is ...
12
votes
3answers
602 views

Brewing fresh coffee for Shabbos with a time clock

May one prepare coffee ingredients in a brewer such as this one on Friday and set the timer to brew the coffee for 8:00 Shabbos morning?
11
votes
2answers
1k views

Can a gentile light a Shabbat candle and do the prayers?

I am a gentile, however I am seriously considering to convert. I would like to do some of the Shabbat traditions just to get a feel of the celebration (can you call it that?) like light the candle ...
1
vote
1answer
51 views

Is a horse included within the definition of “behema” with regard to Shabbat melacha?

Related to this M.Y. question, which I relayed to a friend, he suggested asking this related question: Deuteronomy 5:14: וְי֙וֹם֙ הַשְּׁבִיעִ֜֔י שַׁבָּ֖֣ת ׀ לַיהוָ֖֣ה אֱלֹהֶ֑֗יךָ לֹ֣א תַעֲשֶׂ֣ה ...
6
votes
4answers
105 views

History of Shabbat: how (or) did they count to align with 7th day of creation?

The Torah (Exodus 20:8-11) commands: ח: זָכוֹר אֶת יוֹם הַשַּׁבָּת לְקַדְּשׁוֹ: ט: שֵׁשֶׁת יָמִים תַּעֲבֹד וְעָשִׂיתָ כָּל מְלַאכְתֶּךָ: י: וְיוֹם הַשְּׁבִיעִי שַׁבָּת לַה' אֱלֹקיךָ לֹא תַעֲשֶׂה ...
4
votes
2answers
567 views

Coffee Urns on Shabbos

I've heard that there is a dispute among halachic decisors if one is allowed to use an urn like the one shown below on Shabbos because the outside water tube gets cold over Shabbos but then gets ...
1
vote
0answers
21 views

Working for a Mechallel Shabbos Company

What are the possible halachic issues with working for a company owned by Jews that are mechallel shabbos through the company? Assuming one does no actual work for them on Shabbos, but the work one ...
4
votes
3answers
303 views

Eating bread on Shabbos

A friend was on a diet and was told that if he does not want to eat bread on Shabbos, he does not have to. Is this correct? Do we have an obligation to wash for bread and have three meals on ...
8
votes
6answers
966 views

What is the source not to eat the endpiece of the challah?

At the shabbos meal, why do some people (such as Yodeyan NBZ) not eat the end piece of the challah? Some people don't even just start at the middle, they avoid the end-piece altogether.
1
vote
1answer
100 views

Organizing photos on Shabbat?

Are there any issurim involved in organizing a photo album on Shabbat? Sources would be great if possible.
2
votes
2answers
129 views

Is a library book with an embedded RFID tag a problem on Shabbos?

RFID tags have very many uses in identifying different objects via radio waves. Recently, libraries have started using them to help keep track of books. I would imagine that the tags, in themselves, ...
0
votes
1answer
95 views

Is one allowed to have a non-Jew cook for him on Shabbos?

Generally, there are ways to have a non-Jew do Melacha for a Jew (You don't tell him explicitly, the non-Jew does it for himself, etc.) Is there a way to get a non-Jew to cook for you on Shabbos ...
1
vote
0answers
69 views

Using the Coravin on shabbat

There is a new device called the coravin which allows one to insert a needle into a cork of a wine bottle and the wine flows through the needle by using argon gas (protects quality of wine) and by ...
5
votes
0answers
105 views

Can a horse owned by a Jewish owner run in any of the Triple Crown races?

All of the "Triple Crown" horse races (Kentucky Derby, Preakness, and Belmont) occur on Shabbat. If the horse's owner is Jewish, (I just learned that American Pharaoh's owner is Jewish; I didn't know ...
6
votes
4answers
242 views

“גוט שבת, גוט שבת”

My father, passing someone on the street on שבת, says "גוט שבת, גוט שבת" (Yiddish, "good sabbath, good sabbath"): that is, he repeats himself. I thought it might be his own idio-custom — until I ...
4
votes
1answer
62 views

Is a bike muktzah in “mixed company”?

According to the majority of poskim, riding a bicycle on Shabbat is forbidden. Therefore, "a bicycle is muktza, as ... it is a kli shem'lachto l'issur." (from that answer) However, there is a ...
0
votes
0answers
16 views

Is Presenting a recording to happen on Shabbos a psik reishah? [duplicate]

Let's say someone wants to record a relived ion show on a VCR that takes place on Shabbos (ignore the problems with television in general) Would it be considered a psik reishah or something like that ...
7
votes
3answers
385 views

Can you leave video chat on over Shabbos?

Basically: Can you leave your computer with video chat on (to another person) on over shabbos? And what if there's also audio? For example a relative in the hospital, relatives that in a far away ...
2
votes
1answer
84 views

Can one use a Swiss army knife on Shabbat?

There are two reasons why I would be concerned regarding using a Swiss Army knife on Shabbat: Possible violation of a melacha of creating / completing a tool. When you fold out the knife, you are ...
1
vote
1answer
124 views

Is a mechanical grogger muktzah?

Last Shabbos, my young daughter found a grogger inside the shul and played with it away from adults and at an appropriate time. A four-year old Orthodox boy told us that it was muktzah and that she ...
6
votes
1answer
172 views

Any Halachic problems with app publishing?

I'm currently in the process of developing a mobile app, that, be'h will have various Israel related feeds. I was wondering if there could be any Halachic issues with respect to including news feeds ...
3
votes
3answers
114 views

Brushing teeth in Shabbes

As far as I´m concerned there could be an issue regarding making oneself bleed, by using a toothbrush. Are there any other problems that may arise by brushing teeth with a toothbrush in Shabbes? ...
0
votes
0answers
33 views

Unintentional Tosefes Shabbos

My shul newsletter misprinted candle lighting times this week --- instead of 8:01, it listed 7:48. This leads me to 2 questions: If I light candles at 7:48 because I think that that is the right time ...
5
votes
2answers
91 views

Do we need to wear smart clothes on Shabbat?

The first siman in the Mishna Berura (MB) chelek 3 is about how to maintain the honour of Shabbat: דהיינו לקדשו ולכבדו בכסות נקיה ולענגו בעונג אכילה ושתיה ...To sanctify and honour [Shabbat] ...
4
votes
2answers
506 views

Napping on Shabbos to stay up for Shavuos

This years Shavuos falls out on Motzei Shabbos. The minhag for many Jews is to stay up all night learning. There is also a prohibition on Shabbos to prepare for after shabbos, this is called ...
19
votes
4answers
2k views

Why are Shabbat loopholes a good thing?

I'm not Jewish but do know that strict observance of religious laws is important in Judaism. I recently visited one of our suppliers in Israel and the hotel and office block had sabbath elevators. ...
0
votes
0answers
42 views

Phraseology in Shmone Esrei for Shabbos Mincha

In the paragraph starting אתה אחד, the ideas being conveyed are all praise to Hashem about His uniqueness, Am Yisroel and Shabbos. It ends off however with a request. יכירו בניך וידעו כי מאתך ...
-2
votes
2answers
108 views

Can not obeying a Gentile's opinion of Shabbat time cause a Chilul Hashem?

My understanding is that Chilul Hashem - desecrating G-d's name can be caused when Gentiles have a negative opinion about Jews from observing wrong behavior, even if the behavior may be halachically ...
0
votes
0answers
28 views

Is one allowed to use a nasal filter or gas mask on Shabbat or Yom Tov?

These are products that are used to protect from chemicals/pollen/dust allergy or pet hair. A water filter I see would be mussar if the water is basically clean as was already asked here: Using water ...
0
votes
0answers
40 views

Can one carry a GPS operated timed device across a time zone on Shabbat?

I read somewhere, that if you set a timer before Shabbat, you are not allowed to adjust the timer or clock on Shabbat to reset the time that something goes on. So, let's say that you live in ...
5
votes
1answer
295 views

Adjusting timers on Shabbat

Can one adjust a socket timer (picture below) on Shabbat to keep one's hotplate or lamp on for longer, etc?
2
votes
1answer
161 views

Ask a gentile to do labor for himself?

I understand that we are (generally) not allowed to ask a gentile to do m'lacha for a Jew on Shabas. What about asking him to do m'lacha that we do not think will benefit a Jew? (I'm thinking for ...
1
vote
0answers
128 views

Horse Racing in Halacha

I have been doing some reading and I see some pages which say that horse racing is frowned upon by halacha (but without sources) as running afoul of tza'ar ba'alei chayim (a comment here, and here, ...
4
votes
1answer
51 views

How did the Beis Din have the authority to relax the rules of Muktza?

Shulchan Aruch HaRav (O.C. 310:16) lays out the general history of the prohibition of Mukza (Based on Shabbos 123b): בימי נחמיה בן חכליה שהיו העם מזלזלים באיסורי שבת כמ"ש בימים ההם ראיתי ביהודה ...
-2
votes
1answer
4k views

What are the exact Shmita dates (in Gregorian) since 1900 or a general formula for determining the dates?

I know there are these two questions already (Trying to get Shmita year dates without a headache) and (When is the next shmita year (as of 5772)?); however, they don't appear to provide either a table ...
1
vote
1answer
123 views

Rolling dice on shabbat?

I was told that when rolling dice [for a game, such as backgammon] on shabbos one should roll one di, move the pieces, and then roll the other di [and move the pieces]. The reason for this, I was ...
1
vote
1answer
62 views

T-Fal Thermo Spot Heat Indicator Cookware on Yom Tov & Shabbos

T-Fal has a cookware set known as "T-Fal Thermo Spot Heat Indicator Cookware". These pots have a special technology which indicates when the pan is ready for use. May one use such a pot on Yom Tov to ...
2
votes
0answers
46 views

Rav Moshe's Chanuka additions to Baruch Hashem Yom Yom

This morning in Shul I saw a pamphlet that said as follows. The song Boruch Hashem Yom Yom, the sixth stanza is referring to Chanuka. It said in this pamphlet that Rabbi Moshe Feinstein Zatzal would ...
0
votes
1answer
521 views

Were some Jews transformed to monkeys for violating the sabbath?

Some historical Islamic sources quote that early Jews who violated the Sabbath were transformed into apes : O Jews! Remember that Allah sent His torment on the village that disobeyed Him and broke ...
4
votes
2answers
113 views

Looking for a definition of oneg Shabbos

Yeshaya 58:13 states that Shabbat is called oneg (delight). I have seen several different items described as oneg shabbos including taking a nap, marital relations, enjoying food at the shabbat meals ...
17
votes
2answers
810 views

Is it forbidden to wear a snap-brim Borsalino fedora on Shabbos?

The Talmud, at Shabbos 138b, presents the opinion that one may not wear a siyana -- which Rashi defines as a wide-brimmed hat — on Shabbos if it has a brim that is one tefach (hand-bredth) wide ...
13
votes
6answers
676 views

Can you pick your nose?

Is it a violation of halakah to pick your nose (unrefined act, possibly a violation of being a holy nation)? Would there be a difference in halakah if it were the sabbath (possible violation of ...
5
votes
3answers
534 views

On Shabbat, if one can't sleep, may one consume valerian tea? Valerian root powder? Other non-prescription remedies?

Occasionally, on Shabbat, I've had trouble sleeping. The Doctors Book of Home Remedies (20th anniversary edition) (Rodale, 2010) includes a section about insomnia, which includes a long list of home ...
7
votes
2answers
172 views

Why celebrate Lag Ba'Omer on the 33rd according to the MaHaRIL?

There are several different opinions about when the students of Rabbi Akiva died, and which days we mourn for them. Sefer HaToda'ah quotes the Maharil, who says that the students of Rabbi Akiva died ...
5
votes
1answer
131 views

Electronic card readers to enter buildings on Shabbat?

As a student, I've noticed that practically all of the dormitories in my university require residents to tap their student cards to a sensor before they are allowed to enter their building. (Moreover, ...
2
votes
1answer
33 views

Why is Pirkei Avot the only mishnah that warrants saying an introductory paragraph?

This related M.Y. question explains the purpose of saying the introductory paragraph Kol Yisra'el prior to learning Pirkei Avot each week. Why is Pirkei Avot, in particular, the only mishna that ...
6
votes
3answers
137 views

Why must we acquire Lehhem Mishneh for every Shabbat meal?

The Torah (Shemot 16; Parashat BeShalahh) details the miracle of the mahn ("manna"), which HaShem brought down from the Heavens to sustain 'Am Yisra'el in their journey through the desert. In a ...
8
votes
3answers
266 views

Ask a friend to carry on Shabbos

Suppose there are two friends: one holds of the eiruv and the other doesn't. Is the second allowed to ask the first to carry for him? And if the first anyways carried it, can the second benefit from ...